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Agenda item 1 Real examples of impact of wind turbines on radar operations

Agenda item 1 Real examples of impact of wind turbines on radar operations. Daan Rabijns, Belgocontrol. 4 cases. measurable effects of a single turbine at 60 km from the radar severe operational impact: Büchel (GE) severe operational impact: Villancien (Fr)

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Agenda item 1 Real examples of impact of wind turbines on radar operations

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  1. Agenda item 1Real examples of impact of windturbines on radar operations Daan Rabijns, Belgocontrol

  2. 4 cases • measurable effects of a single turbine at 60 km from the radar • severe operational impact: Büchel (GE) • severe operational impact: Villancien (Fr) • example with tolerable operational impact

  3. case 1: a single turbine (142m) at 60 km

  4. case 1: measured impact primary only mode S only combined

  5. Case 2: unacceptable impact ASR Cells 200 x 200 m2 • No track initiation within the cells • Only update of existing tracks

  6. Case 2: example 1, Airliner FL350  wind turbine  plot (not shown to ATCO)    Track (shown to ATCO)     Track initiation delay: 3 scans Coasting : 3 scans                           Radar

  7. Case 2: example 1, Fighter Approach  wind turbine  plot (not shown to ATCO)    Track (shown to ATCO)     Track initiation delay: 3 scans Coasting : 3 scans                         Radar  

  8. Case 3: turbines 34 km from the radar 4/6 turbines 142m radar test flight

  9. Case 3: turbines 34 km from the radar

  10. Case 4: tolerable operational impact

  11. Case 4: tolerable operational impact 10 turbines 149m Cessna aircraft w/o transponder landing aircraft

  12. Case 4: tolerable operational impact

  13. Conclusions • case 1: Impact on PSR can extend to end of radar range • case 2 and 3: Impact not tolerable • case 4: Tolerable impact on ATCO screen examples can not be generalized

  14. Daan Rabijns Belgocontrol Tervuursesteenweg 303 B-1820 Steenokkerzeel phone : +32 2 206 22 15 fax : +32 2 206 22 01 rad@belgocontrol.be www.belgocontrol.be

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